Fix linter issues

internal/domains/dialer/dial.go

@@ -1,21 +1,52 @@
 package dialer
 
 import (
+	"context"
 	"crypto/tls"
+	"encoding/base64"
 	"fmt"
 	"net"
 	"net/url"
 )
 
-func (d *Dialer) Dial() (net.Conn, error) {
-	if d.dialURL.Scheme == "https" {
-		return tls.Dial("tcp", d.dialURL.Host, &tls.Config{
-			ServerName:         d.dialURL.Hostname(),
-			InsecureSkipVerify: d.app.Config().Upstream.InsecureTLS,
-		})
+func (d *Dialer) Auth() (string, bool) {
+	url, _ := d.UpstreamURL()
+	if url.User == nil {
+		return "", false
 	}
 
-	return net.Dial("tcp", d.dialURL.Host)
+	username := url.User.Username()
+	password, _ := url.User.Password()
+
+	return base64.StdEncoding.EncodeToString(
+		[]byte(username + ":" + password),
+	), true
+}
+
+func (d *Dialer) Dial(ctx context.Context) (net.Conn, error) {
+	dialer := &net.Dialer{}
+
+	conn, err := dialer.DialContext(ctx, "tcp", d.dialURL.Host)
+	if err != nil {
+		return nil, fmt.Errorf("%w: %w (%w)", ErrDialer, ErrDial, err)
+	}
+
+	if d.dialURL.Scheme != "https" {
+		return conn, nil
+	}
+
+	tlsConn := tls.Client(conn, &tls.Config{
+		ServerName: d.dialURL.Hostname(),
+		//nolint:gosec
+		InsecureSkipVerify: d.app.Config().Upstream.InsecureTLS,
+	})
+	if err := tlsConn.HandshakeContext(ctx); err != nil {
+		_ = conn.Close()
+
+		return nil, fmt.Errorf("%w: %w (%w)", ErrDialer, ErrDial, err)
+	}
+
+	return tlsConn, nil
 }
 
 func (d *Dialer) UpstreamURL() (*url.URL, error) {
@@ -26,12 +57,12 @@ func (d *Dialer) UpstreamURL() (*url.URL, error) {
 		)
 	}
 
-	u, err := url.Parse(d.app.Config().Upstream.URL)
+	upstreamURL, err := url.Parse(d.app.Config().Upstream.URL)
 	if err != nil {
 		return nil, fmt.Errorf(
 			"%w: %w (%w)", ErrDialer, ErrUpstreamURL, err,
 		)
 	}
 
-	return u, nil
+	return upstreamURL, nil
 }

internal/domains/dialer/errors.go

@@ -5,5 +5,6 @@ import "errors"
 var (
 	ErrDialer              = errors.New("dialer")
 	ErrConnectDependencies = errors.New("function ConnectDependencies()")
+	ErrDial                = errors.New("function Dial()")
 	ErrUpstreamURL         = errors.New("function UpstreamURL()")
 )